AW: Re: Couple EE questions...

[Haible_Juergen#Tel2743]

> On should select Rn = en / in
>
> For a NE5532 that will turn out to be 5000/0.7 = 7.1 kohm
>
> Given this source impedance and full swing of the NE5532 (12.7 Vrms) you 
get
> close to 130 dB of signal/noise ratio....

Sorry for asking again, but I want to be sure:
So at 7k the effect of inoise and enoise are equal.
If I choose 3.5k for a 5532, will the SNR be worse, better or equal then?
I'd say *slightly* better. Or will it really worsen below 7k ??

JH.